CVE-2025-3225 — XML Entity Expansion vulnerability in run-llama/llama_index
An XML Entity Expansion vulnerability, also known as a 'billion laughs' attack, exists in the sitemap parser of the run-llama/llama_index repository, specifically affecting vers…
Published: 2025-07-07 · CVSS: 7.5 · CVSS 3.0
An XML Entity Expansion vulnerability, also known as a 'billion laughs' attack, exists in the sitemap parser of the run-llama/llama_index repository, specifically affecting version v0.12.21. This vulnerability allows an attacker to supply a malicious Sitemap XML, leading to a Denial of Service (DoS) by exhausting system memory and potentially causing a system crash. The issue is resolved in version v0.12.29.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7